Global Volcanism Program | Image GVP-08945
Higashiyama is the oldest of two volcanoes forming Hachijojima at the SE part of the island. Activity at Higashiyama, seen here from the slopes of Nishiyama, dates back to the Pleistocene. An eruption around 4,000 years ago deposited the Mizumiya pumice fall deposit.
Photo by Ichio Moriya (Kanazawa University).